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Journal articles on the topic 'Diaryl heterocycles'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Maruthavanan, T., and P. Venkatesan. "Synthesis of Substituted 3,4-Dialkyl-2,6-Diaryl-Piperidin-4-ol Derivatives and Their Conformational Study." E-Journal of Chemistry 9, no. 2 (2012): 1029–34. http://dx.doi.org/10.1155/2012/783605.

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The synthesis of series of 3,4-dialkyl-2,6-diaryl-piperidin-4-ol derivatives(7-12)by reduction ofcis-3-alkyl-2,6-diarylpiperidin-4-one(1-6)using Grignard reagent has been reported. The synthesized heterocycles have been characterized on basis of spectroscopic data and their conformation has also been discussed.

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2

Shih[], Hsiencheng, Renshuay J. Shih, and Dennis A. Carson. "New heterocycles of 2,3-diaryl-substituted maleic hydrazides." Journal of Heterocyclic Chemistry 48, no. 6 (2011): 1243–50. http://dx.doi.org/10.1002/jhet.631.

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3

Raghuvanshi, Dushyant Singh, and Narsingh Verma. "Regioselective thiolation of electron rich arenes and heterocycles in recyclable catalytic media." RSC Advances 7, no. 37 (2017): 22860–68. http://dx.doi.org/10.1039/c7ra02350b.

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A convenient and novel approach has been developed for the synthesis of unsymmetrical diaryl sulfides by the reaction of sulfonyl hydrazides with phenols, aromatic amines and heterocycles using a [Bmim][Br] ionic liquid through C–S bonds formation.

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4

Shafiee, A., M. A. Ebrahimzadeh, and A. Maleki. "Selenium heterocycles. XLIII. Syntheses of 3,5-Diaryl-1,2,4-thiadiazoles and 3,5-Diaryl-1,2,4-selenadiazoles." Journal of Heterocyclic Chemistry 36, no. 4 (1999): 901–3. http://dx.doi.org/10.1002/jhet.5570360412.

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5

Yu, Jiayo, Beatrice Edjah, Hector Argueta-Gonzalez, et al. "13C NMR spectroscopy of heterocycles: 3,5-diaryl-4-bromoisoxazoles." Heterocyclic Communications 21, no. 5 (2015): 279–83. http://dx.doi.org/10.1515/hc-2015-0111.

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AbstractA series of 3,5-diarylisoxazoles (1–9) underwent reaction with N-bromosuccinimide in acetic acid to yield the corresponding 3.5-diaryl-4-bromoisoxazoles (1Br–9Br) in low to moderate yield. The X-ray structure of 3-(4-chlorophenyl)-5-phenyl-4-bromoisoxazole showed torsion angles of ~40° and ~36° between the 3- and 5-aryl groups and the central ring system, respectively. Molecular modeling studies predicted the 3,5-phenylisoxazole ring system to be essentially coplanar and the 3,5-diphenyl groups of the 4-bromoisoxazole derivative to be twisted with torsional angles of 50° and 37°, respe

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6

Sharma, Vandana, and K. V. Sharma. "Synthesis and Biological Activity of Some 3,5-Diaryl-1-Benzothiazolopyrazoline Derivatives: Reaction of Chalcones with 2-Hyrazinobenzothiazoles." E-Journal of Chemistry 6, no. 2 (2009): 348–56. http://dx.doi.org/10.1155/2009/391031.

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A series of 3,5-diaryl-1-benzothiazolopyrazoline derivatives were synthesized by the reaction of appropriately substituted chalcones and 2-hydrazinobenzothiazole in ethanol. The synthesized heterocycles have been characterized on the basis of their chemical properties and spectroscopic data. These compounds were tested for biological activity against a variety of test organisms.

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7

Tsyrenova, Biligma, and Valentine Nenajdenko. "Synthesis and Spectral Study of a New Family of 2,5-Diaryltriazoles Having Restricted Rotation of the 5-Aryl Substituent." Molecules 25, no. 3 (2020): 480. http://dx.doi.org/10.3390/molecules25030480.

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Efficient synthesis of 2,5-diaryl substituted 4-azido-1,2,3-triazoles by the reaction of sodium azide with dichlorosubstituted diazadienes was demonstrated. The optical properties of the prepared azidotriazoles were studied to reveal a luminescence maximum in the 360–420 nm region. To improve the luminescence quantum yields a family of 4-azido-1,2,3-triazoles bearing ortho-propargyloxy substituents in the 5 position was prepared. Subsequent intramolecular thermal cyclization permits to construct additional triazole fragment and obtain unique benzoxazocine derivatives condensed with two triazol

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8

Verardo, Giancarlo, Angelo G. Giumanini, Fausto Gorassini, Marilena Tolazzi, and Paolo Strazzolini. "Heterocycles from heterocycles. 1,3-Diaryl-4,5-imidazolidinediones from 1,3,5-triarylhexahydro-1,3,5-triazines and oxalyl chloride." Tetrahedron 49, no. 46 (1993): 10609–28. http://dx.doi.org/10.1016/s0040-4020(01)81552-0.

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9

Zhang, Hui, Weiguo Cao, Gang Liu, et al. "N-Heterocycle-Triggered MCRs: An Approach to the Concise Synthesis of Perfluoroalkylated Spiro-1,3-oxazines." Synthesis 50, no. 23 (2018): 4668–82. http://dx.doi.org/10.1055/s-0037-1609563.

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Multicomponent reactions involving methyl perfluoroalk-2-ynoates initiated by N-heterocycles (quinoline, isoquinoline, and benzothiazole) in the presence of isatins and diaryl 1,2-diketones allowed efficient access to trifluoromethyl- or other perfluoroalkyl-substituted spiro-1,3-oxazine derivatives. This facile transformation is regioselective and proceeded smoothly through a 1,4-dipolar intermediate under mild conditions, affording the products in good to excellent yields.

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10

Padmavathi, V., A. Balaiah, T. V. Ramana Reddy, B. Jagan Mohan Reddy, and D. Bhaskar Reddy. "2,6-Diaryl-4,4-disubstituted 1,4-dihydropyridines: Source for spiro heterocycles." Heteroatom Chemistry 14, no. 6 (2003): 513–17. http://dx.doi.org/10.1002/hc.10183.

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11

Padmavathi, Venkatapuram, Akula Balaiah, and Dandu Bhaskar Reddy. "2,6-Diaryl-4,4-disubstituted-4H-thiopyran: Source for spiro heterocycles." Journal of Heterocyclic Chemistry 39, no. 4 (2002): 649–53. http://dx.doi.org/10.1002/jhet.5570390408.

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12

Shih, Hsiencheng, Renshuay J. Shih, and Dennis A. Carson. "ChemInform Abstract: New Heterocycles of 2,3-Diaryl-Substituted Maleic Hydrazides." ChemInform 43, no. 16 (2012): no. http://dx.doi.org/10.1002/chin.201216099.

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13

Soria-Castro, Silvia M., and Alicia B. Peñéñory. "Efficient Cu-catalyzed base-free C–S coupling under conventional and microwave heating. A simple access to S-heterocycles and sulfides." Beilstein Journal of Organic Chemistry 9 (March 4, 2013): 467–75. http://dx.doi.org/10.3762/bjoc.9.50.

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S-aryl thioacetates can be prepared by reaction of inexpensive potassium thioacetate with both electron-rich and electron-poor aryl iodides under a base-free copper/ligand catalytic system. CuI as copper source affords S-aryl thioacetates in good to excellent yields, by using 1,10-phenanthroline as a ligand in toluene at 100 °C after 24 h. Under microwave irradiation the time was drastically reduced to 2 h. Both procedures are simple and involve a low-cost catalytic system. This methodology was also applied to the “one-pot” synthesis of target heterocycles, such as 3H-benzo[c][1,2]dithiol-3-on

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14

Sengupta, Sumana, Avijit Banerji, Thierry Prangé, Alain Neuman, and Jayram Hazra. "[3+2] Cycloadditions: Part XXXV. Selective Cycloadditions of C-(4-Chlorophenyl)-N-methyl Nitrone to Cinnamic Acid Anilides." Asian Journal of Chemistry 32, no. 8 (2020): 1886–94. http://dx.doi.org/10.14233/ajchem.2020.22695.

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[3+2] Cycloadditions of nitrones as three-atom components to alkenes yield isoxazolidine cycloadducts, which on chemical transformations can be converted to bioactive compounds. The [3+2] cycloadditions route thus provides conversion of simple natural products to more complex naturally occurring bioactive nitrogen heterocycles, and close analogues. As α,β-unsaturated amides abundantly occur as natural products, [3+2] cycloadditions of nitrones with simpler α,β-unsaturated amides were studied to get information about reactivity profiles. The reactions of C-(4-chlorophenyl)-N-methyl nitrone as t

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15

Hormaza, Angelina, Dieter Schollmeyer, and Herbert Meier. "Synthese und Kristallstrukturanalyse eines 2,4-Diaryl-2,3-dihydro-1H-1,5-benzodiazepins / Synthesis and Crystal Structure Analysis of a 2,4-Diaryl-2,3-dihydro-1H-1,5-benzodiazepine." Zeitschrift für Naturforschung B 59, no. 1 (2004): 73–76. http://dx.doi.org/10.1515/znb-2004-0111.

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AbstractThe enone unit of chalcones is a synthetically valuable substructure for the formation of heterocycles. Whereas propoxy groups as solubilizing side chains on the phenyl groups do not much affect the generation of pyrazole and pyridine rings, they reduce significantly the yield of the diazepine ring system 4. We attribute this effect to the large twist angles between the ring planes, which are demonstrated by a crystal structure analysis.

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16

Shafiee, A., M. A. Ebrahimzadeh, and A. Maleki. "ChemInform Abstract: Selenium Heterocycles. Part 43. Syntheses of 3,5-Diaryl-1,2,4-thiadiazoles and 3,5-Diaryl-1,2,4-selenadiazoles." ChemInform 31, no. 4 (2010): no. http://dx.doi.org/10.1002/chin.200004048.

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17

VERARDO, G., A. G. GIUMANINI, F. GORASSINI, M. TOLAZZI, and P. STRAZZOLINI. "ChemInform Abstract: Heterocycles from Heterocycles. 1,3-Diaryl-4,5-imidazolidinediones from 1,3,5-Triarylhexahydro-1,3,5-triazines and Oxalyl Chloride." ChemInform 25, no. 8 (2010): no. http://dx.doi.org/10.1002/chin.199408184.

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18

Chavan, Snehal A., Avinash G. Ulhe, and Baliram N. Berad. "Synthesis and characterization of N-glucosylated dithiadiazepine derivatives through carbon-sulfur bond formation." Heterocyclic Communications 21, no. 5 (2015): 269–72. http://dx.doi.org/10.1515/hc-2015-0093.

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AbstractNew 4,7-bis(arylamino)-2-tetra-O-acetyl-β-d-glucopyranosylimino-1,3,5,6-dithiadiazepines were synthesized via reaction of N-tetra-O-acetyl-β-d-glucopyranosyl isocyanodichloride with 1,6-diaryl-2,5-dithio-bis-ureas without using any catalyst. Thus, the synthesis of 7-membered heterocycles containing two sulfur and two nitrogen atoms through carbon-sulfur bond formation was explored. The chemical structures of these new compounds were elucidated by IR, 1H NMR, 13C NMR, mass spectral, and elemental analyses.

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19

Padmavathi, Venkatapuram, Akula Balaiah, and Dandu Bhaskar Reddy. "ChemInform Abstract: 2,6-Diaryl-4,4-disubstituted-4H-thiopyran: Source for Spiro Heterocycles." ChemInform 33, no. 48 (2010): no. http://dx.doi.org/10.1002/chin.200248147.

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20

Brenner, Daniel G., Kathleen Mensler Cavolowsky, and Kenneth L. Shepard. "Imino-bridged heterocycles. IV . A facile synthesis of sulfenimines derived from diaryl ketones." Journal of Heterocyclic Chemistry 22, no. 3 (1985): 805–8. http://dx.doi.org/10.1002/jhet.5570220338.

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21

Padmavathi, V., A. Balaiah, K. Venugopal Reddy, A. Padmaja, and D. Bhaskar Reddy. "ChemInform Abstract: 3,3-Disubstituted 1,5-Diaryl-1,5-pentanediones as Versatile Intermediates for Spiro Heterocycles." ChemInform 33, no. 47 (2010): no. http://dx.doi.org/10.1002/chin.200247119.

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22

Kumar, Rakesh, Jyoti Arora, Sonam Ruhil, Neetu Phougat, Anil K. Chhillar, and Ashok K. Prasad. "Synthesis and Antimicrobial Studies of Pyrimidine Pyrazole Heterocycles." Advances in Chemistry 2014 (August 25, 2014): 1–12. http://dx.doi.org/10.1155/2014/329681.

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Prompted from the diversity of the wider use and being an integral part of genetic material, an effort was made to synthesize pyrimidine pyrazole derivatives of pharmaceutical interest by oxidative cyclization of chalcones with satisfactory yield and purity. A novel series of 1,3-dimethyl-6-hydroxy-2,4-dioxo-5-(1′-phenyl-3′-aryl-1H-pyrazol-5′-yl)-1,2,3,4-tetrahydropyrimidines (5a–d) and 1,3-diaryl-6-hydroxy-4-oxo-2-thioxo-5-(1′-phenyl-3′-aryl-1H-pyrazol-5′-yl)-1,2,3,4-tetrahydropyrimidines (5e–l) has been synthesized. The structures of these compounds were established on the basis of FT-IR, 1H

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23

Cristina, Anamaria, Denisa Leonte, Laurian Vlase, et al. "Heterocycles 48. Synthesis, Characterization and Biological Evaluation of Imidazo[2,1-b][1,3,4]Thiadiazole Derivatives as Anti-Inflammatory Agents." Molecules 23, no. 10 (2018): 2425. http://dx.doi.org/10.3390/molecules23102425.

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Non-steroidal anti-inflammatory drugs (NSAIDs) are an important pharmacological class of drugs used for the treatment of inflammatory diseases. They are also characterized by severe side effects, such as gastrointestinal damage, increased cardiovascular risk and renal function abnormalities. In order to synthesize new anti-inflammatory and analgesic compounds with a safer profile of side effects, a series of 2,6-diaryl-imidazo[2,1-b][1,3,4]thiadiazole derivatives 5a–l were synthesized and evaluated in vivo for their anti-inflammatory and analgesic activities in carrageenan-induced rat paw edem

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24

GEIN, V. L., E. V. VORONINA, and YU S. ANDREICHIKOV. "ChemInform Abstract: Five-Membered 2,3-Dioxo-Heterocycles. Part 29. Synthesis of 1,5-Diaryl- 2,3-dioxotetrahydropyrrole-4-carboxylic Acids." ChemInform 24, no. 42 (2010): no. http://dx.doi.org/10.1002/chin.199342163.

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25

Gein, V. L., E. V. Shumilovskikh, �. V. Voronina, and Yu S. Andreichikov. "Five-membered 2,3-dioxo heterocycles. 21. Reaction of 1,5-diaryl-4-ethoxycarbonyl-tetrahydropyrrole-2,3-diones with 2-aminopyridine." Chemistry of Heterocyclic Compounds 28, no. 1 (1992): 27–30. http://dx.doi.org/10.1007/bf00529473.

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26

Tiwari, Pawankumar R., Marina E. John, and Anil V. Karnik. "Synthesis and Antimicrobial Evaluation of Chiral 3, 5-Diaryl-5, 6-dihydrothiazolo[ 2, 3-c][1, 2, 4]triazoles." Letters in Organic Chemistry 16, no. 12 (2019): 978–82. http://dx.doi.org/10.2174/1570178616666190411102818.

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: Disclosed herein is a general approach for the synthesis of chiral thiazolo triazoles 5a-e. An efficient 3-step synthetic strategy has been developed to obtain the fused heterocycles in good yields. The key step involves formation of a secondary carbocation under acidic condition and intramolecular attack of the nitrogen of the 1,2,4-triazolo part leads to the formation of fused bicyclic compound in a regioselective manner. A new chiral center was created during the reaction and Chiral HPLC analyses confirmed the presence of the same and the racemic nature of the synthesized compounds. Their

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27

Clawson, Paul, and Donald A. Whiting. "Synthetic studies on O-heterocycles via cycloadditions. Part 3. Regiochemical and mechanistic questions in reactions of polarised diaryl carbonyl ylides." Journal of the Chemical Society, Perkin Transactions 1, no. 4 (1990): 1193. http://dx.doi.org/10.1039/p19900001193.

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28

Gao, Feng, Yuru Liang, Pengfei Zhou, Jiayi Cheng, Kuiling Ding, and Yang Wang. "Design, synthesis, antitumor activities and biological studies of novel diaryl substituted fused heterocycles as dual ligands targeting tubulin and katanin." European Journal of Medicinal Chemistry 178 (September 2019): 177–94. http://dx.doi.org/10.1016/j.ejmech.2019.05.072.

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29

PANDIARAJAN, K., R. SEKAR, T. RANGARAJAN, R. SARUMATHI, and D. MARKO. "ChemInform Abstract: Conformational Studies of Some Sulfur Heterocycles Using PMR Spectra: Evidence for Contribution of Boat Form to trans-1,3-Diaryl Systems." ChemInform 24, no. 33 (2010): no. http://dx.doi.org/10.1002/chin.199333054.

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30

Rani, M., R. Ramachandran, and S. Kabilan. "Efficient synthesis, spectral analysis and antimicrobial studies of nitrogen and sulfur containing spiro heterocycles from 2,4-diaryl-3-azabicyclo[3.3.1]nonan-9-ones." Bioorganic & Medicinal Chemistry Letters 20, no. 22 (2010): 6637–43. http://dx.doi.org/10.1016/j.bmcl.2010.09.021.

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31

Rafiee, Ezzat, Iraj M. Baltork, Shahram Tangestaninejad, Alireza Azad, and Sepideh Moinee. "Tin(II) Polyoxometalate as an Efficient Catalyst for the Selective Oxidation of Sulfides to Sulfoxides." Zeitschrift für Naturforschung B 61, no. 5 (2006): 601–6. http://dx.doi.org/10.1515/znb-2006-0516.

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The applicability of the tin(II) polyoxometalate catalyst, [(n-C4H9)4N]5PSnMo2W9O39 · 9H2O, for sulfoxidation of diaryl, dibenzyl, aryl benzyl, dialkyl, cyclic, and heterocyclic sulfides with 30% hydrogen peroxide was examined under organic halogen-free condition. It is noteworthy that different functional groups including carbon-carbon double bonds, ketones, oximes, aldehydes, ethers, alcohols, and acetals were tolerated under this reaction condition.

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32

Abdelrehim, El-sayed M., and Doaa S. El-Sayed. "A New Synthesis of Poly Heterocyclic Compounds Containing [1,2,4]triazolo and [1,2,3,4]tetrazolo Moieties and their DFT Study as Expected Anti-cancer Reagents." Current Organic Synthesis 17, no. 3 (2020): 211–23. http://dx.doi.org/10.2174/1570179417666200226092516.

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Background: 2-amino-3-cyanopyridines are good starting reagents that have been used in synthesis of many heterocyclic compounds such as pyridopyrimidines, [1,2,4]triazolo and [1,2,3,4] tetrazolo derivatives which have biological activities as anti-microbial and cytotoxic activities. Meanwhile [1,2,4]triazolo and [1,2,3,4]tetrazolo derivatives are well known to possess many physiological activities, such as anticancer , antifungal, muscle relaxant, hypnotic, anti-inflammatory, diuretic and antihypertensive activities. A broad class of heterocyclic compounds has been studied to demonstrate their

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33

GEIN, V. L., E. V. VORONINA, M. I. VAKHRIN, and YU S. ANDREICHIKOV. "ChemInform Abstract: Five-Membered 2,3-Dioxo-heterocycles. Part 31. Reaction of 1,5-Diaryl- 3-hydroxy-4-tert-butoxycarbonyl-3-pyrrolin-2-ones with Hydrazine Derivatives." ChemInform 25, no. 43 (2010): no. http://dx.doi.org/10.1002/chin.199443128.

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34

MOHAN, J., V. SINGH, and N. MALIK. "ChemInform Abstract: Novel Bridgehead Nitrogen Heterocycles: Facile Synthesis and Antimicrobial Activity of 2,3-Diaryl-3,3a,6,7,8,9-hexahydro-2H- pyrazolo(3′,4′:4,5)thiazolo(3,2-a)diazepines." ChemInform 27, no. 12 (2010): no. http://dx.doi.org/10.1002/chin.199612181.

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35

GEIN, V. L., L. O. KON'SHINA, and YU S. ANDREICHIKOV. "ChemInform Abstract: Five-Membered 2,3-Dioxo Heterocycles. Part 30. Cyclization of 1,5- Diaryl- and 1-Methyl-5-phenyl-4-ethoxalylacetyltetrahydropyrrole-2,3- diones and Their Arylamino Derivatives." ChemInform 24, no. 47 (2010): no. http://dx.doi.org/10.1002/chin.199347084.

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36

Radwan, Shaban M. "Synthesis and Reactions of Some Diphenyl Sulfides." Collection of Czechoslovak Chemical Communications 57, no. 7 (1992): 1553–58. http://dx.doi.org/10.1135/cccc19921553.

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In view of the wide spectrum of activity associated with many pyrazoline derivatives, substituted thiazoles, oxazoles and diaryl sulfides, we synthesized some new diaryl sulfides carrying the above heterocyclic systems.

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37

Caiazzo, Aldo, Shadi Dalili, C. Picard, M. Sasaki, T. Siu, and A. K. Yudin. "New methods for the synthesis of heterocyclic compounds." Pure and Applied Chemistry 76, no. 3 (2004): 603–13. http://dx.doi.org/10.1351/pac200476030603.

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Due to frequent occurrence of nitrogen-containing groups among the biologically active compounds, chemoselective functionalization of organic molecules with nitrogen-containing functional groups is an important area of organic synthesis. We have proposed and implemented a new strategy toward design of nitrogen-transfer reactions on inert electrode surfaces with a particular focus on the generation and trapping of highly reactive nitrogen-transfer agents. A wide range of structurally dissimilar olefins can be readily transformed into the corresponding aziridines. The resulting aziridines are pr

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38

GEIN, V. L., E. V. VORONINA, and YU S. ANDREICHIKOV. "ChemInform Abstract: Five-Membered 2,3-Dioxo-Heterocycles. Part 21. Synthesis of 1,5-Diaryl- 4-tert-butoxycarbonyl-3-hydroxy-2,5-dihydropyrrol-2-ones and Their Reaction with Arylamines and o-Phenylenediamine." ChemInform 23, no. 20 (2010): no. http://dx.doi.org/10.1002/chin.199220154.

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39

Makki, Mohammed Saleh I. T., Reda M. Abdel-Rahman, Hassan M. Faidallah, and Khalid A. Khan. "Synthesis of New Fluorine Substituted Heterocyclic Nitrogen Systems Derived fromp-Aminosalicylic Acid as Antimycobacterial Agents." Journal of Chemistry 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/819462.

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Some new fluorine substituted heterocyclic nitrogen systems2–17have been synthesized from ring closure reactions of substitutedp-amino salicylic acids (PAS). The Schiffs base of PAS was cyclized with chloroacetyl chloride and mercaptoacetic acid to give azetidinone2, thiazolidinone3, and spiro-fluoroindolothiazoline-dione10. However, PAS when reacted directly with 4-fluorobenzoyl chloride and 5-oxazolinone yielded derivatives4,5, and7. Aminomethylation of PAS using formaldehyde and piperidine or piperazine formed N-alkyl and N,N′-dialkyl derivatives (11and12respectively) upon fluorinated benzo

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40

SINGH, J. S., M. H. KHAN, N. TIWARI, and NIZAMUDDIN NIZAMUDDIN. "ChemInform Abstract: Fused Heterocycles: Synthesis and Antifungal Activities of 3,10-Diaryl- 2-thiothiazolo(4,5-d)pyrido(2,1-b)pyrimidines and 3,6,9-Triaryl-2- thiothiazolo(4,5-d)(1,3,4)thiadiazolo(2,3-b)pyrimidines." ChemInform 25, no. 38 (2010): no. http://dx.doi.org/10.1002/chin.199438189.

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41

Wei, Kaijie, Tonghao Yang, Qing Chen, Siyu Liang, and Wei Yu. "Iron-catalysed 1,2-aryl migration of tertiary azides." Chemical Communications 56, no. 78 (2020): 11685–88. http://dx.doi.org/10.1039/d0cc04579a.

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42

PRAKASH, O., RANJANA RANJANA, N. SAINI, S. GOYAL, R. K. TOMAR та S. P. SINGH. "ChemInform Abstract: Hypervalent Iodine Mediated Syntheses of Heterocycles: One-Pot Facile Syntheses of 1,4-Diaryl-2-mercaptoimidazoles, 2-(α-Anilinoacetyl) thiophenes and 1-Aryl-2-mercapto-4-(2-thienyl)imidazoles from Aryl/2- Thienyl Methyl Ketones." ChemInform 25, № 28 (2010): no. http://dx.doi.org/10.1002/chin.199428184.

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43

Heravi, Mohammad Reza Poor, Mahdis Danafar, and Niloofar Poor Heravi. "One-pot of Three-component Synthesis of Novel Biologically Important 5-Amino-1,3-diaryl-1H-pyrazole-4-carbonitriles Using L-Proline Catalyst and their Antimicrobial Activity." Letters in Organic Chemistry 16, no. 11 (2019): 922–30. http://dx.doi.org/10.2174/1570178616666190315155330.

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An expeditious three-component synthesis of various biologically important heterocyclic compounds 5-amino-1,3-diaryl-1H-pyrazole-4-carbonitriles by condensation of aryl aldehydes, malononitrile and phenylhydrazine derivatives is described. This greener protocol was catalyzed by L-Proline and proceeded efficiently in solvent at room temperature within 2-15 min.

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44

Pratap, Ramendra, and Hideki Yorimitsu. "Palladium-Catalyzed Amination of Aryl Sulfides and Sulfoxides with Azaarylamines of Poor Nucleophilicity." Synthesis 51, no. 13 (2019): 2705–12. http://dx.doi.org/10.1055/s-0037-1611732.

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The amination of aryl sulfides and sulfoxides with azaarylamines is investigated using a palladium-N-heterocyclic carbene (NHC) complex. Because azaarylamines are less nucleophilic than anilines, more reactive diaryl sulfides and sulfoxides are found to be suitable coupling partners that liberate better leaving arenethiolate or arenesulfenate anions, instead of aryl methyl sulfides as reported previously.

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45

Ogle, James W., and Stephen A. Miller. "Electronically tunable N-heterocyclic carbene ligands: 1,3-diaryl vs. 4,5-diaryl substitution." Chemical Communications, no. 38 (2009): 5728. http://dx.doi.org/10.1039/b914732b.

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46

Zhu, Longzhi, Xin Cao, Renhua Qiu, et al. "Copper-mediated thiolation of carbazole derivatives and related N-heterocycle compounds." RSC Advances 5, no. 49 (2015): 39358–65. http://dx.doi.org/10.1039/c5ra04965b.

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Cu-mediated direct thiolation of carbazole derivatives with disulfides via C–H bond cleavage to give diaryl and alkyl aryl sulfides which easily extends to the synthesis of thioethers with a benzo[h]quinolone, 2-phenylquinoline or indole moiety in satisfactory yields.

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47

Stalling, Timo, Fabian Brockmeyer, Denis Kröger, Almuth Schwäblein, and Jürgen Martens. "2,5-Dihydro-1,3-thiazoles as Scaffolds in the Synthesis of O,N-Diacyl O,N-Acetals in a One-pot Reaction." Zeitschrift für Naturforschung B 67, no. 10 (2012): 1045–55. http://dx.doi.org/10.5560/znb.2012-0146.

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The Asinger reaction is a very powerful tool to form 2,5-dihydro-1,3-thiazoles in high yields. Treating these heterocyclic imines with acid chlorides followed by adding sodium carboxylates led to a large number of new O,N-diacyl O,N-acetals. Using chiral starting materials, a high diastereoselectivity was observed in several cases. X-Ray structures document the constitution and clarify the relative configuration of the prepared O,N-diacyl O,N-acetals.

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48

M. Weinstock, Leonard, Edward Corley, Newton L. Abramson, Anthony O. King, and Sandor Karady. "Diarryl-a-heteroarylmalonates from Cerium(IV)-promoted Reactions of Dialkyl Malonates with Heterocyclic Compounds." HETEROCYCLES 27, no. 11 (1988): 2627. http://dx.doi.org/10.3987/com-88-4688.

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49

Abadleh, Mohammed M., Tawfiq Arafat, Luay Abu-Qatouseh, Mustafa M. El-Abadelah, Firas F. Awwadi, and Wolfgang Voelter. "Facile synthesis of model 2,4-diaryl-1,3,4-thiadiazino[5,6-h]fluoroquinolones." Zeitschrift für Naturforschung B 74, no. 6 (2019): 507–12. http://dx.doi.org/10.1515/znb-2019-0023.

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AbstractA Selected set of 2,4-diaryl-7-oxo-1,2,4-thiadiazino[5,6-h]quinoline-8-carboxylic acids 6a–e has been prepared via reaction of the parent 7-chloro-8-nitro-10-cyclopropyl-6-fluoroquinolone 4 with the appropriate N′-(aryl)benzothiohydrazide 5a–e in presence of triethylamine. Structures of the new heterocyclics 6a–e are supported by spectral data and confirmed by single-crystal X-ray crystallography for 6a.

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50

Liu, Xu, Xiao-Jing Pang, Yuan Liu, et al. "Discovery of Novel Diarylamide N-Containing Heterocyclic Derivatives as New Tubulin Polymerization Inhibitors with Anti-Cancer Activity." Molecules 26, no. 13 (2021): 4047. http://dx.doi.org/10.3390/molecules26134047.

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Tubulin has been regarded as an attractive and successful molecular target in cancer therapy and drug discovery. Vicinal diaryl is a simple scaffold found in many colchicine site tubulin inhibitors, which is also an important pharmacophoric point of tubulin binding and anti-cancer activity. As the continuation of our research work on colchicine binding site tubulin inhibitors, we designed and synthesized a series of diarylamide N-containing heterocyclic derivatives by the combination of vicinal diaryl core and N-containing heterocyclic skeletons into one hybrid though proper linkers. Among of

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